{"id":69434,"date":"2012-11-12T00:00:00","date_gmt":"2012-11-11T23:00:00","guid":{"rendered":"http:\/\/b.bati-journal.com\/permeabilite-a-lair-de-lenveloppe-2\/69434"},"modified":"2019-07-15T16:34:52","modified_gmt":"2019-07-15T14:34:52","slug":"permeabilite-a-lair-de-lenveloppe-2","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/permeabilite-a-lair-de-lenveloppe-2\/69434\/","title":{"rendered":"Perm\u00e9abilit\u00e9 \u00e0 l&#039;air de l&#039;enveloppe"},"content":{"rendered":"<p>La r\u00e9glementation thermique 2012 reprend le niveau de performance \u00e9nerg\u00e9tique d\u00e9fini par le label BBC-Effinergie afin que toutes les constructions neuves pr\u00e9sentent, en moyenne, une consommation d&rsquo;\u00e9nergie primaire inf\u00e9rieure \u00e0 50 kWh\/m2\/an.Ce nouvel objectif d&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique implique l&rsquo;introduction de nouvelles exigences minimales dans la conception du b\u00e2ti. Un travail soign\u00e9 de l&rsquo;enveloppe devra combiner isolation thermique, \u00e9tanch\u00e9it\u00e9 \u00e0 l&rsquo;air et utilisation de la masse thermique interne. Pour des b\u00e2timents tr\u00e8s isol\u00e9s, on estime qu&rsquo;une perm\u00e9abilit\u00e9 excessive peut engendrer une surconsommation pouvant atteindre plus de 25 % dans certains cas.Le guide\u00a0Perm\u00e9abilit\u00e9 \u00e0 l&rsquo;air de l&rsquo;enveloppe\u00a0fait \u00e9cho aux pr\u00e9conisations de la RT 2012. Il d\u00e9taille l&rsquo;ensemble des points cl\u00e9s li\u00e9s \u00e0 la notion de perm\u00e9abilit\u00e9 \u00e0 l&rsquo;air\u00a0:concept de perm\u00e9abilit\u00e9 \u00e0 l&rsquo;air\u00a0;enjeux\u00a0;mesures et tests d&rsquo;infiltrom\u00e9trie\u00a0;\u00e9l\u00e9ments cl\u00e9s de la r\u00e9glementation thermique et des labels\u00a0;m\u00e9canismes des transferts d&rsquo;air (fuites parasites et ph\u00e9nom\u00e8nes moteurs)\u00a0;typologie des fuites\u00a0;localisation des principales sources de fuite\u00a0;pr\u00e9conisations permettant d&rsquo;am\u00e9liorer l&rsquo;\u00e9tanch\u00e9it\u00e9 \u00e0 l&rsquo;air.Avec ses 92 pages et ses 65 illustrations, ce guide vous permettra d&rsquo;avoir une vision globale de la probl\u00e9matique  perm\u00e9abilit\u00e9 \u00e0 l&rsquo;air, enjeux et solutions. Perm\u00e9abilit\u00e9 \u00e0 l&rsquo;air de l&rsquo;enveloppe, de\u00a0Romuald Jobert,\u00a090 pages,\u00a02012Disponible sur :\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La r\u00e9glementation thermique 2012 reprend le niveau de performance \u00e9nerg\u00e9tique d\u00e9fini par le label BBC-Effinergie afin que toutes les constructions neuves pr\u00e9sentent, en moyenne, une consommation d&rsquo;\u00e9nergie primaire inf\u00e9rieure \u00e0 50 kWh\/m2\/an.Ce nouvel objectif d&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique implique l&rsquo;introduction de nouvelles exigences minimales dans la conception du b\u00e2ti. Un travail soign\u00e9 de l&rsquo;enveloppe devra combiner isolation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6362],"tags":[11014],"class_list":["post-69434","post","type-post","status-publish","format-standard","hentry","category-services-equipements","tag-enveloppe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perm\u00e9abilit\u00e9 \u00e0 l&#039;air de l&#039;enveloppe<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/permeabilite-a-lair-de-lenveloppe-2\/69434\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perm\u00e9abilit\u00e9 \u00e0 l&#039;air de l&#039;enveloppe\" \/>\n<meta property=\"og:description\" content=\"La r\u00e9glementation thermique 2012 reprend le niveau de performance \u00e9nerg\u00e9tique d\u00e9fini par le label BBC-Effinergie afin que toutes les constructions neuves pr\u00e9sentent, en moyenne, une consommation d&rsquo;\u00e9nergie primaire inf\u00e9rieure \u00e0 50 kWh\/m2\/an.Ce nouvel objectif d&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique implique l&rsquo;introduction de nouvelles exigences minimales dans la conception du b\u00e2ti. Un travail soign\u00e9 de l&rsquo;enveloppe devra combiner isolation [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/batijournal.com\/index.php\/permeabilite-a-lair-de-lenveloppe-2\/69434\/\" \/>\n<meta property=\"og:site_name\" content=\"Batijournal\" \/>\n<meta property=\"article:published_time\" content=\"2012-11-11T23:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-07-15T14:34:52+00:00\" \/>\n<meta name=\"author\" content=\"Bati-journal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:site\" content=\"@bati_journal\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bati-journal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" 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